A space dedicated to contemporary art and culture, co-chaired by fashion icon Miuccia Prada.

The train platform where Jews were sent to concentration camps is now preserved as a Holocaust memorial.

The odd depiction of the Virgin Mary and baby Jesus is rooted in the Catholic Church's eradication of Catharism.

This curious building hides eclectic details like medieval gargoyles alongside naked angels and Art Nouveau mosaics.

Before there were doorbells this bronze ear was installed for visitors to announce their arrival.

The secret medieval communication system will whisk your words above the noise of the crowd.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

Canada's largest graveyard boasts a lot of noteworthy artifacts as well as its own computerized mapping service.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

According to one local tradition, the entrance to the Voodoo underworld can be found in New Orleans through seven gates scattered throughout the city's French Quarter.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

The neighborhood surrounding the memorial was the epicenter of the AIDS epidemic in Louisiana.

A serene but haunting memorial to protective wetland lost, the absence of which directly damaged the Lower 9th Ward following Hurricane Katrina.

This strange example of the Egyptian Revival architecture trend now holds Mardi Gras floats.

Taxidermied cartoon heads, unseen illustrations, and famous characters all reside in this small gallery space.

This Birdsill Holly fire hydrant is the remnant of a very different type of hydration innovation.

A haunting, yet lovingly hand-hewn potters' field full of graves that flood with each heavy rain.

The stone labyrinth in this New Orleans city park was laid to symbolize healing in the wake of Hurricane Katrina.

Made of giant chains and hung with shackles, this iron cross honors those unknowns who perished under American slavery.